Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 407
act changes. If from the point of contact,as J, a line is drawn to the pitch P, the tooth curves should havesuch form that this line is normal to both curves at J; that is, PJshould be ])erpendicular to a line drawn tangent to both curves atJ. This condition should hold, wherever the point of… … 364 MECHANISM. Tlieso are the involute and tlie epicycloidal curves. V\ir. 00shows a pair of gears witli epicycloidal teeth and Fig. f»l showsparts of two gears with involute teeth. The construction for get-ting the tooth outlines is shown in the figures, but as this properlycomes under the subject…
Mechanical engineering -- Dictionaries
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